<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<table border="1" cellspacing="0" cellpadding="0" >
    <tr align="center">
        <td content="2">班级</td>
        <td content="2">姓名</td>
        <td content="2">年龄</td>
        <td content="4">电话</td>
    </tr>
    <tr align="center">
        <td>601班</td>
        <td>jack</td>
        <td>24</td>
        <td>1351234567</td>
    </tr>
    <tr align="center">
        <td>602班</td>
        <td>tom</td>
        <td>22</td>
        <td>1351234567</td>
    </tr>

    <tr align="center">
        <td>603班</td>
        <td>rose</td>
        <td>22</td>
        <td>1351234567</td>
    </tr>
    <tr align="center">
        <td>602班</td>
        <td>张三</td>
        <td>25</td>
        <td>1351234567</td>
    </tr>
    <tr align="center">
        <td>602班</td>
        <td>李四</td>
        <td>25</td>
        <td>1351234567</td>
    </tr>
</table>
</body>
</html>